linux/drivers/pmdomain/arm/scpi_pm_domain.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * SCPI Generic power domain support.
 *
 * Copyright (C) 2016 ARM Ltd.
 */

#include <linux/err.h>
#include <linux/io.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/pm_domain.h>
#include <linux/scpi_protocol.h>

struct scpi_pm_domain { … };

/*
 * These device power state values are not well-defined in the specification.
 * In case, different implementations use different values, we can make these
 * specific to compatibles rather than getting these values from device tree.
 */
enum scpi_power_domain_state { … };

#define to_scpi_pd(gpd) …

static int scpi_pd_power(struct scpi_pm_domain *pd, bool power_on)
{ … }

static int scpi_pd_power_on(struct generic_pm_domain *domain)
{ … }

static int scpi_pd_power_off(struct generic_pm_domain *domain)
{ … }

static int scpi_pm_domain_probe(struct platform_device *pdev)
{ … }

static const struct of_device_id scpi_power_domain_ids[] = …;
MODULE_DEVICE_TABLE(of, scpi_power_domain_ids);

static struct platform_driver scpi_power_domain_driver = …;
module_platform_driver(…) …;

MODULE_AUTHOR(…) …;
MODULE_DESCRIPTION(…) …;
MODULE_LICENSE(…) …;